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| author | Cyril Bur <cyril.bur@au1.ibm.com> | 2016-11-08 17:08:40 +1100 |
|---|---|---|
| committer | Stewart Smith <stewart@linux.vnet.ibm.com> | 2016-11-08 17:36:58 +1100 |
| commit | 71f77880462e72b9888237ae8f1fbdf36da2ef0e (patch) | |
| tree | 5647874981ab18083e3f2d107acfa861cb407f36 /external | |
| parent | b36b3d1edd6654d7e4c0e2798b32ff6e4f6cd1fe (diff) | |
| download | skiboot-71f77880462e72b9888237ae8f1fbdf36da2ef0e.zip skiboot-71f77880462e72b9888237ae8f1fbdf36da2ef0e.tar.gz skiboot-71f77880462e72b9888237ae8f1fbdf36da2ef0e.tar.bz2 | |
external/common: Add default erase chip implementation
Just blocklevel_erase() from zero to sizeof.
Signed-off-by: Cyril Bur <cyril.bur@au1.ibm.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
Diffstat (limited to 'external')
| -rw-r--r-- | external/common/arch_flash_common.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/external/common/arch_flash_common.c b/external/common/arch_flash_common.c index ba06fb2..5b7f9ea 100644 --- a/external/common/arch_flash_common.c +++ b/external/common/arch_flash_common.c @@ -13,15 +13,31 @@ * See the License for the specific language governing permissions and * limitations under the License. */ +#include <stdlib.h> #include <libflash/blocklevel.h> #include "arch_flash.h" -/* Default implmentations */ +/* Default implementations */ + +/* + * This just assumes that an erase from zero to total size is + * 'correct'. + * An erase from zero to total size is the correct approach for + * powerpc and x86. ARM has it own function which also includes a call + * to the flash driver. + */ int __attribute__((weak)) arch_flash_erase_chip(struct blocklevel_device *bl) { - return -1; + int rc; + uint64_t total_size; + + rc = blocklevel_get_info(bl, NULL, &total_size, NULL); + if (rc) + return rc; + + return blocklevel_erase(bl, 0, total_size); } int __attribute__((weak)) arch_flash_4b_mode(struct blocklevel_device *bl, int set_4b) |